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Edenite and Tourmaline Optical Properties


Tourmaline and Edenite Optical Properties


Optical Properties

Luster
Vitreous   
Vitreous   

Pleochroism
Distinct   
typically moderate to strong   

Dispersion
Not Available   
0.02   
22

Transparency
Not Available   
Transparent, Translucent, Transparent to opaque   

Refractive Index
1.606-1.649   
1.614-1.666   

Optic Character
Not Available   
Not Available   

Crystal System
monoclinic   
Trigonal   

Birefringence
Not Available   
0.014-0.040   

Clarity
Not Available   
Transparent   

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<< Physical Properties

Edenite and Tourmaline Optic Character

Edenite and Tourmaline optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Edenite and Tourmaline Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Edenite and Tourmaline optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Edenite and Tourmaline Transparency

Similar to their colors, Edenite and Tourmaline transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Edenite is Not Available while Edenite is Not Available in appearance.

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